Medicinal properties of tea

From antiquity to the present day, mankind has recognized the beneficial effects of tea on the body. The book "Mahzan al-Adwiya" ("Treasury of medicines") quotes the words of a Tajik doctor of the 18th century that tea "strengthens the strength of the body and spirit, excites, improves mood. It also strengthens the stomach and sexual ability in people with a cold nature. ".

Ancient Chinese called tea "the fire of life". At the beginning of the 18th century, a physician of the Japanese imperial court noted that "drinking tea helps to cleanse the blood, cleanses the mucous membrane of the eyes, regulates the functioning of the liver and spleen, relieves drowsiness and lethargy, revitalizes the muscles of the body ..."

Leo Tolstoy said about tea: "I had to drink a lot of tea, because I could not work without it. Tea releases those possibilities that are dormant in the depths of my soul."

Tea has a tonic effect on the human body, enhances vital functions, perfectly quenches thirst. It allows a person to endure the lack of food for a long time, therefore tea is an indispensable companion for travelers, geologists, sailors. In many armies, tea is a must-have food.

More than 130 substances of varying complexity are found in almost any tea. They make up about 10 more or less constant groups that determine the quality of a given type and grade of tea. Almost half of them belong to extractives, that is, they can pass into hot water.

The brewed tea gets its dark, sometimes red-brown color and astringent tart taste primarily due to tannins - tannins. In dry tea, they are up to 16%. Essential oils, the content of which in the tea leaf reaches 0.007%, give the tea brew a unique specific aroma.

Catechins also belong to tannins. All tannins, especially catechins, increase the elasticity of the walls of blood vessels and thereby reduce their fragility and permeability, which is extremely important in the prevention and even treatment of atherosclerosis. In diseases of the cardiovascular system, tea has a calming effect, dilates blood vessels, eliminates spasms, thereby facilitating blood circulation, and normalizes blood pressure. In hypertension, tea catechins reduce blood pressure and in all cases relieve headaches and tinnitus. Catechins bind a number of metabolic products that are undesirable for the body in the intestine, which, together with the action of pectins, helps to improve intestinal health, maintain tissue turgor and is very useful in a set of measures for the prevention of premature aging.

The tonic effect of brewed tea is due to the alkaloids present in it - caffeine and theobromine. The best teas contain up to 4% of them.

Tea caffeine is better than the same substance in coffee beans; it stimulates contractions of the heart muscle, while expanding the blood supplying arteries. In the same way, caffeine acts on the vessels of the brain. Hence the energy boost from a glass of well-brewed fresh tea. Tea is called "the elixir of vigor".

In medical practice, the ability of tea to have a beneficial effect on kidney function is known. Experience shows that people suffering from kidney disease tolerate tea well, it does not harm even acute and chronic nephritis with manifestation of renal failure. The beneficial effect of tea in these cases is that it relieves the general weakness and lack of appetite characteristic of these diseases.

The beneficial effect of tea in diseases of the respiratory system is known. This is explained by the fact that when drinking tea, cellular metabolism in the respiratory tract is more intense. Therefore, tea is a useful diaphoretic and stimulant for all colds of the respiratory system.

Tea is rich in vitamins. Vitamin B2 contained in tea helps to increase the elasticity of the skin, making it more elastic and beautiful.

Tea contains a lot of fluoride. Therefore, it is a means of protecting teeth, preventing the occurrence of caries. The only trouble is that most people drink tea with sweets, significantly reducing the beneficial effect of tea.

The influence of tea on the human nervous system has been known since ancient times. Under the influence of tea, the flow of oxygen to the brain cells increases, its activity intensifies, breathing improves, and gas exchange increases.

Tea is able to remove harmful substances from the body, including heavy metals, making the stomach, kidneys and partly liver healthy.

But everything that we said about the beneficial properties of tea is true only in those cases when its preparation is based on knowledge of the varieties and types of tea and their action. Otherwise, a negative and even opposite effect of the drink is possible. A high concentration of infusion can cause a state of increased agitation, insomnia, if you drink it just before bedtime. The super high concentration of the tea can induce REM sleep. In old books you can find an indication of tea as a sleeping pill. Typically, more than 10 times the dose of tea has this effect.

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